Early A-body 90 degree oil filter adapter issue

yup, 2 different ones, I had this problem on a '66 Cuda Magnum swap.
Adapter off the original 273 was true 90deg.
The one off a 71 340 I had "in stock" was not.
Had to change them mid swap.

Ok, thank you for that info. Now on to finding an early one, which I assume is part #2463661.